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Old 02-26-2017, 07:37 PM   #20
Dash_Martino
Scooby Newbie
 
Member#: 78728
Join Date: Jan 2005
Chapter/Region: Tri-State
Location: Jim Chunk, PA
Vehicle:
04 STi
PSM

Default

Another decent day. Time to get that O2 sensor. Took the passenger front wheel off and moved a plastic flat out of the way to access it on the headers. Placed a claw-foot O2 sensor wrench on it, then got out my breaker bar, as most O2 sensors need some convincing to be removed.

http://i.imgur.com/KTpm7nq.jpg

Also took off this brace for the O2 sensor wire. The bolt for it was actually one of the bolts for the coil packs.

http://i.imgur.com/ioDjlED.jpg

I spun the claw foot wrench as far as I could each revolution, then took it off and re-aligned it. The front O2 sensor is in a tough spot, as you can't just freely wrench on it because there's a part of the frame or body that sits very close and prevents you from moving your rachet further. Some people say they use vice grip pliers. Didn't have them so I put the claw foot to use.

http://i.imgur.com/sLVsKBy.jpg

Then it was time for the passenger side wiring harness.

http://i.imgur.com/puoraTh.jpg

Driver's side harness was a little tougher. There's a bracket that holds down the harness clips. Took the bracket off to have better leverage. Then I put a flat head screwdriver in the release button, then wiggled the clip back and forth until it separated.

Clips undone:

http://i.imgur.com/ehkqdvm.jpg
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